introduction\nworking under a car thats either fully or partially lifted off the ground can be dangerous if…

introduction\nworking under a car thats either fully or partially lifted off the ground can be dangerous if not supported properly by jack stands.\na jack stand is completely mechanical and sturdily constructed. as a result, the chances of a jack stand failure is very small. in spite of its relatively low weight, a jack stand can support a relatively heavy load.\nwhy should jack stands be used?\nenables the vehicle to be moved sideways.\nenables mechanical jacking of a vehicle.\nincreases personal safety.\ncheck

introduction\nworking under a car thats either fully or partially lifted off the ground can be dangerous if not supported properly by jack stands.\na jack stand is completely mechanical and sturdily constructed. as a result, the chances of a jack stand failure is very small. in spite of its relatively low weight, a jack stand can support a relatively heavy load.\nwhy should jack stands be used?\nenables the vehicle to be moved sideways.\nenables mechanical jacking of a vehicle.\nincreases personal safety.\ncheck

Answer

Brief Explanations:

The text states that working under a lifted - car without proper support from jack stands is dangerous. Jack stands are sturdy and have a low failure rate. They can support heavy loads. Thus, they increase personal safety when working under a lifted vehicle. Also, they are related to the mechanical jacking process of a vehicle. There is no mention of enabling the vehicle to be moved sideways.

Answer:

Enables mechanical jacking of a vehicle., Increases personal safety.